Home / 167,780.66-251,670.92-61,172.60

Finding the Fourth Proportional to 167,780.66, 251,670.92 and 61,172.60

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Solution

The fourth proportional to 167,780.66, 251,670.92 and 61,172.60 is: 91,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,780.66 : 251,670.92 = 61,172.60 : x
  2. Step 2: Convert to fraction form
    167,780.66/251,670.92 = 61,172.60/x
  3. Step 3: Cross multiply
    167,780.66x = 251,670.92 × 61,172.60
  4. Step 4: Simplify right side
    167,780.66x = 15,395,364,520.79
  5. Step 5: Solve for x
    x = 15,395,364,520.79/167,780.66
  6. Step 6: Final answer
    x = 91,758.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.